RED-TAILED IROPICBIRD, Annotated List----LISIAESKI 
LS^ 1 Feb.l4, *63 (FCS Rept) Estimated Population --- none 
Mar 12-13, 1 63 Rone reported in Sibleys of ¥irtz f s February notes 
LJE$ 3 Mar. 11-12, f 64 (ABA Rept) Estimated Population-- 100-150 
Dumber of nests- none 
Courting behavior observed 
...- 7 ---------7--- 
i j t 
L 3$ 4 Aug.21-23, f 64 (Rept) EstimatedPopulation-300 adults 
' 140 nestlings 
Nests with eggs- 10 
Banded--—*- 7 adults , 
56 nestlin & 
* • ' i 
All stages of nesting were present, the majority of nests containing unattended 
lar^e chicks. All the\birds were found under Scaevola which rimmed the 
vegetated part of the island. 
fPW¥- 21 Aug. ) I went along the western shore heading north hunting under 
the Scaevola for Bropicbirds — 63 iropicblrds were found and banded in the 
l/4 of tM island I traveled;, 7 adult s,j 28. in immature plumage; 25 molting 
chicks; <4 chicks and 3 with eggs for a total of 60 nests. They were n<bt 
evenly distributed thru the Scaevola , but •— in small 1 groups, as many as 4 
in a small area.; So perhaps there were as many as 200 nests on the whole ^ 
island. -While-erawliHg-tferu-the-fe^usfe 
yo 
LSft 5 Sept.18, *64 (REF) Estimated Population ----—---- 50 
Count -----—------- 12 adults 
5 immature 
adult ariel count as 1330 hours. 
LSff 7 Mar.11-12’64 (W0¥ Rept) Estimated Population --- 20-30 
Nests with egg ----- 1 
Berlese samples -- none 
Blood samples —---—- - - - 2 
Banded --------------— -- 18 
Maximum seen at any one time was 20 and more birds were seen on the ground. 
% (RBC summ) (Mar 12) - Banded 2 Red-tailed Tropicbirds and 
checked them for molt. .RTTB 645-00201 was caught as it sat among the 
Scaevola . Both central tail feathers were fully developed and the plumage 
had a salmon wash. There' was no molt in the primaries or rectrices 
and the outer primaries had a more intense salmon wash* 
RTTB 645-00202 was also caught as it sat in the 
Scaevola . Roth central tail feathefs were fully developed. There was no : 
wofil in the rectrices. Primary 7 appeared to be shorter in proportion 
to the rest. (4?'Ashmole notation?) A moderate salmon wash. 
(VH-Mar.13) - collected egg found and discovered it to be 
l/2 developed (feather tracts showed on head of embryo). ‘ v 
